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### Using MovingMap to calculate percentage changes

Bug introduced in 10.0 and fixed in 10.1 MovingMap (new in version 10) applies a function to discrete data over a moving window. This is very convenient for ...
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### Incompatible InterpolatingFunction between V9 (and earlier) and V10

Bug introduced in 10.0.0 and fixed in 10.0.1 I am encountering compatibility issues when loading DumpSave(d) definitions in V10 that have been created with earlier ...
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### Incompatibility of CountryData[] between v. 9.0 and 10.1

There seems to be an incompatibility between the representation in CountryData[] for versions 9.0 and 10.1. The documentation on ...
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### MachinePrecision versus $MachinePrecision in NDSolve I'd like to understand why one of these inputs gives me an error and the other doesn't: ... 1answer 135 views ### Stabilized Inverted Pendulum Blog Post Broken in 12.0? One of the old Wolfram blog posts that I use frequently is this demonstration of the LQR gains computation. https://blog.wolfram.com/2011/01/19/stabilized-inverted-pendulum/ I've been able to trust ... 0answers 728 views ### Interpolation on an unstructured (mostly-structured) grid in 4D+ I frequently need to perform interpolations on an unstructured grid. Mostly, with the purpose of filling grid holes and then later continue with regular grid interpolations. Mathematica V9 and V10 ... 2answers 301 views ### Module inside Module. Conflict of names in arguments I have a module which calls number of other smaller helper modules. But those other helper modules are not used by another module, so there is no needed to have them in global context. So I wanted to ... 1answer 231 views ### Is it safe to change the value of$TimeZone?

I'd like to configure some of my notebooks to assume all calculations using dates, times and locations (notably AstronomicalData , but others too) take place at the ...
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### Breaking change of Total in Mathematica 12.0?

Total has been changed in Mathematica 12.0. The documentation seems to contradict itself. In one line it states: Total[ $f[ e_1,e_2,...]$ ] gives the sum of the $e_i$ for any head $f$ In the next ...
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### MatrixConditionNumber does not work in version 12.0

A = {{1., 0.}, {0., 2.}}; LinearAlgebraMatrixConditionNumber[A]
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### Plotting with Precision

Suppose we plot Plot[ Exp[x]Exp[-x], {x,0,1000} ] This equals 1, as expected, until around x = 750 where the curve drops sharply to 0. Clearly this is due to ...
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### What has changed in PolyhedronData in V11

As we saw in: Demonstration site CDF error correction question PolyhedronData has changed. I've failed to find any information about how the syntax changed in V11....
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### What is the logiс behind handling alpha-channel by various image-processing functions?

(Cross-posted on Wolfram Community.) When working on the answer to this question I discovered that starting from Mathematica 10.0 the behavior of such functions as ...